Study on the features of multiwalled carbon nanotube supported nickel aluminum mixed oxides

被引：23

作者：

Li, CH ^{[1
]}

Yao, KF ^{[1
]}

Liang, J ^{[1
]}

机构：

[1] Tsing Hua Univ, Dept Engn Mech, Beijing 100084, Peoples R China

来源：

APPLIED CATALYSIS A-GENERAL | 2004年 / 261卷 / 02期

关键词：

carbon nanotubes; catalyst support; thermal analysis; X-ray diffraction;

D O I：

10.1016/j.apcata.2003.11.007

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Nickel-aluminum (Ni/Al) mixed oxides located on multiwalled carbon nanotubes (MCNTs) are obtained by decomposition of hydrotalcitetype (HT) Ni/Al compounds prepared by coprecipitation method from the nitrate salts of the elements. Thermogravimetry analysis (TGA), temperature-programmed reduction (TPR), X-ray diffraction (XRD) and transmission electron microscopy (TEM) techniques are used to study this system. Comparisons of decomposition process and of reducibility are made between MCNT-supported Ni/Al compounds or mixed oxides and those supported by diatomite. MCNTs react with Ni/Al mixed oxides to form Ni during calcination. Accordingly, the catalyst reduction process for nanotube synthesis based on MCNT-supported Ni/Al mixed oxides can be omitted. (C) 2003 Elsevier B.V. All rights reserved.

引用

页码：221 / 224

页数：4

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